Report Summary

  • 54

    Performance

    Renders faster than
    71% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

keisen.jp

恵泉女学園 中学・高等学校

Page Load Speed

7.7 sec in total

First Response

1.4 sec

Resources Loaded

5.9 sec

Page Rendered

388 ms

About Website

Welcome to keisen.jp homepage info - get ready to check Keisen best content for Japan right away, or after learning these important things about keisen.jp

恵泉女学園中学・高等学校は、キリスト者河井道によって1929年に創立されました。聖書・国際・園芸を教育の柱に、生徒の知性、感性、社会性を育ててきました。きめ細かな指導で、確かな学力と豊かな人間性を養い、自信を持って次の段階へと進んで行く生徒を育てています。

Visit keisen.jp

Key Findings

We analyzed Keisen.jp page load time and found that the first response time was 1.4 sec and then it took 6.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

keisen.jp performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

58/100

10%

LCP (Largest Contentful Paint)

Value8.0 s

2/100

25%

SI (Speed Index)

Value6.9 s

34/100

10%

TBT (Total Blocking Time)

Value250 ms

84/100

30%

CLS (Cumulative Layout Shift)

Value0.02

100/100

15%

TTI (Time to Interactive)

Value8.0 s

42/100

10%

Network Requests Diagram

www.keisen.jp

1422 ms

basic.css

347 ms

top.css

521 ms

jquery.min.js

20 ms

typesquare.js

337 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 95% of them (71 requests) were addressed to the original Keisen.jp, 1% (1 request) were made to Ajax.googleapis.com and 1% (1 request) were made to Typesquare.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Keisen.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 100.3 kB (9%)

Content Size

1.1 MB

After Optimization

1.0 MB

In fact, the total size of Keisen.jp main page is 1.1 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 45% of websites need less resources to load. Images take 992.1 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 68.5 kB

  • Original 80.1 kB
  • After minification 56.3 kB
  • After compression 11.6 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 23.8 kB, which is 30% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 68.5 kB or 85% of the original size.

Image Optimization

-2%

Potential reduce by 20.4 kB

  • Original 992.1 kB
  • After minification 971.6 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Keisen images are well optimized though.

JavaScript Optimization

-10%

Potential reduce by 4.5 kB

  • Original 44.9 kB
  • After minification 44.0 kB
  • After compression 40.3 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. This website has mostly compressed JavaScripts.

CSS Optimization

-28%

Potential reduce by 6.8 kB

  • Original 23.9 kB
  • After minification 23.8 kB
  • After compression 17.1 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Keisen.jp needs all CSS files to be minified and compressed as it can save up to 6.8 kB or 28% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (55%)

Requests Now

74

After Optimization

33

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Keisen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

keisen.jp accessibility score

80

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Image elements do not have [alt] attributes

Best Practices

keisen.jp best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

keisen.jp SEO score

93

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Keisen.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it matches the claimed language. Our system also found out that Keisen.jp main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph data is detected on the main page of Keisen. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: